Generic name: Erythromycin Strength: 250 mg Drug class: Macrolide antibiotic Dosage form: Tablet Capsule Suspension (liquid, mainly for children) Composition Active ingredient: Erythromycin 250 mg Indications Bacterial infections of the respiratory tract, skin, ENT, dental, and STDs (e.g., chlamydia) Dosage (General) Adults: 250–500 mg every 6–12 hours (as prescribed) Children: Dose based on body weight Route of Administration Oral Erythromycin 250 mg is an antibiotic (macrolide group) used to treat bacterial infections. Common Uses Erythromycin 250 mg is prescribed for: Respiratory tract infections Throat infections Bronchitis Pneumonia Ear, nose, and throat (ENT) infections Skin and soft tissue infections Acne Infected wounds Dental infections Sexually transmitted infections Chlamydia Gastrointestinal infections Certain stomach or intestinal bacterial infections Whooping cough (pertussis) Diphtheria (treatment and prevention) Also Used When: A patient is allergic to penicillin For acne treatment